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lightproof

[lahyt-proof] /ˈlaɪtˌpruf/
adjective
1.
impervious to light:
a lightproof film cartridge.
Origin
1920-1925
1920-25; light1 + -proof
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for lightproof
  • The plate, held in a lightproof holder, was then transferred to the camera and exposed to light.
  • The plate, held in a lightproof holder, was then transferred to the camera.
  • To increase the length and restfulness of their sleep, night-shift workers should sleep in rooms that are lightproof.
  • The room must be equipped with a lightproof door and a warning sign.
  • Ship and store bearings in lightproof, moisture-proof and dustproof packages.
  • The windows in the conference room receive lightproof shades.

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Difficulty index for lightproof

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Word Value for lightproof

19
21
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